undertow: potential security issue in flow control over HTTP/2 may lead to DOS

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability...

undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS

A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability...

tomcat: Apache Tomcat HTTP/2 Request mix-up

A flaw was found in Apache Tomcat. If an HTTP/2 client exceeded the agreed maximum number of concurrent streams for a connection in violation of the HTTP/2 protocol, it is possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - fro...

UBUNTU-CVE-2021-43535

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox 93, Thunderbird 91.3, and Firefox ESR 91.3...

Red Hat Undertow 资源管理错误漏洞

Red Hat Undertow is a Java-based embedded web server from Red Hat, Inc. and is the default web server for Wildfly Java Application Server. Red Hat Undertow suffers from a Resource Management Error vulnerability that stems from a problem and potential issue in the HTTP/2 control flow that could le...

undertow: potential security issue in flow control over HTTP/2 may lead to DOS

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

UBUNTU-CVE-2021-38507

The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP addre...

envoyproxy/envoy: excessive CPU usage when handling a large number of HTTP/2 requests

An uncontrolled resource consumption vulnerability was found in envoyproxy/envoy. When envoy handles a large number of HTTP/2 requests which open and then reset the connection, it can cause excessive CPU usage. This flaw allows an attacker to cause a denial of service on the proxy. The highest...

tomcat: HTTP/2 request header mix-up

While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this...

null pointer dereference in h2 fuzzing

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ALPINE-CVE-2021-41524

While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project...

Apache HTTP Server 代码问题漏洞

Apache HTTP Server is the United States Apache Apache Foundation of an open source web server . The server is fast, reliable and can be expanded through a simple API. A denial of service vulnerability exists in Apache HTTP Server version 2.4.49, which arises from the detection of new null pointer...

nodejs: Use-after-free on close http2 on stream canceling

A flaw was found in Node.js, where it is vulnerable to a use-after-free attack. This flaw allows an attacker to exploit memory corruption to change process behavior. The highest threat from this vulnerability is to confidentiality and integrity...